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Finding the Fourth Proportional to 79,812.78, 110,142.38 and 44,004.07

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Solution

The fourth proportional to 79,812.78, 110,142.38 and 44,004.07 is: 60,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.78 : 110,142.38 = 44,004.07 : x
  2. Step 2: Convert to fraction form
    79,812.78/110,142.38 = 44,004.07/x
  3. Step 3: Cross multiply
    79,812.78x = 110,142.38 × 44,004.07
  4. Step 4: Simplify right side
    79,812.78x = 4,846,712,228.75
  5. Step 5: Solve for x
    x = 4,846,712,228.75/79,812.78
  6. Step 6: Final answer
    x = 60,726.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.